List of language skills
- Arabic 2
- Chinese 1
- Croatian 4
- Czech 31
- Dutch 8
- English 3 273
- Esperanto 1
- French 49
- Georgian 1
- German 543
- Greek 1
- Hungarian 59
- Italian 40
- Korean 1
- Mongolian language 1
- Norwegian 1
- Polish 13
- Portuguese 3
- Romanian 4
- Russian 35
- Serbian 6
- Slovak 1 281
- Slovenian 9
- Spanish 27
- Swedish 1
- Turkish 2
- Ukrainian 28